我正在使用 nginx 來提供 angular(index.html) 并且效果很好。問題是我在嘗試與后端通信時不斷出錯。我的 NGINX + Angular DockerfileFROM node:12-alpine as builderWORKDIR /usr/src/appCOPY . .RUN npm install --silentRUN npm run ng build --prodFROM nginx:latestCOPY --from=builder /usr/src/app/dist/FrontEnd /var/wwwCOPY ./default.conf /etc/nginx/nginx.confEXPOSE 80CMD ["nginx", "-g", "daemon off;"]我的 Golang DockerfileFROM golang:latestENV GO111MODULE=onRUN mkdir /appWORKDIR /appCOPY go.mod .COPY go.sum .RUN go mod downloadCOPY . .RUN go build main.goEXPOSE 8000CMD [ "./main" ]我的 Docker-composeversion: '3.7'services:    postgres:      image: "postgres:latest"      restart: always      volumes:        - ./init.sql:/docker-entrypoint-initdb.d/init.sql        - data:/var/lib/postgresql/data      ports:        - "5432:5432"      environment:        - POSTGRES_DB=Project        - POSTGRES_USER=postgres        - POSTGRES_PASSWORD=password      networks:        - mynet    #Back-end    golang:      build:        context: .        dockerfile: Dockerfile      container_name: golang      links:        - postgres        ports:        - "8000:8000"      networks:        - mynet        #Front-end Angular Application    angular:      links:        - golang      build:        context: ./FrontEnd        dockerfile: Dockerfile      environment:        - host=golang      ports:        - "4200:80"      networks:        - mynetvolumes:  data:networks:  mynet:    driver: bridge我的 nginx default.confworker_processes 4;events {    worker_connections  1024;}這是我嘗試向 golang [1] 發(fā)送 api 調(diào)用時的結(jié)果：https ://i.stack.imgur.com/XQuhf.png我已經(jīng)被這個問題困擾了好幾天了，而且時間不多了。請幫忙！提前致謝。